CN109088820B - Cross-device link aggregation method and device, computing device and storage medium - Google Patents
Cross-device link aggregation method and device, computing device and storage medium Download PDFInfo
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- CN109088820B CN109088820B CN201811110366.9A CN201811110366A CN109088820B CN 109088820 B CN109088820 B CN 109088820B CN 201811110366 A CN201811110366 A CN 201811110366A CN 109088820 B CN109088820 B CN 109088820B
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- H04L45/00—Routing or path finding of packets in data switching networks
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Abstract
The application discloses a cross-device link aggregation method, a cross-device link aggregation device, a computing device and a storage medium, relates to the field of data communication, and aims to solve the problem of cross-device link aggregation. In the method, the convergence equipment is connected through the internal communication interface, cross-equipment link aggregation is realized according to the corresponding relation between the interface identifier of the physical interface and the interface identifier of the virtual interface, and the realization is simpler. Meanwhile, as the convergence devices are mutually independent software systems, the coupling is smaller.
Description
Technical Field
The present invention relates to the field of data communications, and in particular, to a method, an apparatus, a computing apparatus, and a storage medium for cross-device link aggregation.
Background
Link Aggregation (Link Aggregation) refers to bundling a plurality of physical ports together into one logical port to realize load sharing of ingress/egress traffic among each member port. The network device determines from which member port the message is sent to the network device of the opposite end according to the port load sharing policy configured by the user. When the network equipment detects that the link of one member port has a fault, the network equipment stops sending the message on the port, and recalculates the port for sending the message in the rest links according to the load sharing strategy. And after the failed port is recovered, the corresponding port is restarted for message sending. Link aggregation is an important technology in terms of increasing link bandwidth, implementing link transmission resiliency and redundancy, and the like. As shown in FIG. 1, two devices with models of 3228-1 and 3228-2 bind two physical ports of Fei _1/15 and Fei _1/16 to one logical port, thereby implementing a link aggregation function.
Fig. 2 is a schematic diagram of a very simple certification hot standby (HA) scenario. In this figure, the two core routers (RSR77-X) are backup to each other. Under normal conditions, the two core routers are in working states, and the two devices perform data synchronization through device connection (RDC) interfaces. When a certain line card or the whole equipment of the equipment is restarted, all the user flow (messages of a user PC (personal computer) end, an ePortal server end and an SAM (sample access network) server end) of the restarted card is sent to another service card for processing, so that the user can be ensured to be on the network.
However, in the prior art, the implementation of cross-device link port aggregation requires significant revision of modules such as board management, interface management, and chip driving, and is complex to implement and has high device-to-device coupling.
Disclosure of Invention
The embodiment of the application provides a cross-device link aggregation method, a cross-device link aggregation device, a computing device and a storage medium, wherein the receiving and sending of messages between devices are realized through an internal communication interface and the corresponding relation between an interface identifier of a physical interface and an interface identifier of a virtual interface.
In a first aspect, an embodiment of the present application provides a cross-device link aggregation method, where the method includes:
receiving link aggregation port creation configuration information, wherein the creation configuration information comprises a unique identifier of a link aggregation port to be created;
creating a link aggregation port according to the creating configuration information, and marking the created link aggregation port by using the unique identification;
generating a creating message carrying the unique identifier and sending the creating message to other aggregation equipment to be aggregated through an internal communication interface, so that the other aggregation equipment creates a link aggregation port according to the creating message and marks the created link aggregation port with the unique identifier;
receiving member joining configuration information for joining a first specified physical interface to the created link aggregation port; the member joining configuration information comprises an interface identifier of the first appointed physical interface;
adding the interface identifier of the first appointed physical interface into the created member port set of the link aggregation port according to the member joining configuration information;
and generating a member port join message carrying the interface identifier and sending the member port join message to the other aggregation equipment through the internal communication interface, so that the other aggregation equipment creates a virtual interface corresponding to the first specified physical interface according to the member port join message, establishes a corresponding relationship between the interface identifier of the virtual interface and the interface identifier of the first physical interface, and adds the interface identifier of the virtual interface to the member port set of the link aggregation port created by the other aggregation equipment.
In a second aspect, an embodiment of the present application provides an apparatus for cross-device link aggregation, where the apparatus includes:
the system comprises a receiving and creating information module, a receiving and creating module and a creating and configuring module, wherein the receiving and creating information module is used for receiving link aggregation port creating configuration information, and the creating configuration information comprises a unique identifier of a link aggregation port to be created;
the creating module is used for creating a link aggregation port according to the creating configuration information and marking the created link aggregation port by the unique identification;
a message creating module for generating a created message carrying the unique identifier and sending the created message to other aggregation devices to be aggregated through an internal communication interface, so that the other aggregation devices create a link aggregation port according to the created message and mark the created link aggregation port with the unique identifier;
the join information receiving module is used for receiving member join configuration information for joining a first specified physical interface to the created link aggregation port; the member joining configuration information comprises an interface identifier of the first appointed physical interface;
a join member port set module, configured to add the interface identifier of the first specified physical interface to the created member port set of the link aggregation port according to the member join configuration information;
and the message adding sending module is used for generating a member port adding message carrying the interface identifier and sending the member port adding message to the other aggregation equipment through the internal communication interface, so that the other aggregation equipment creates a virtual interface corresponding to the first appointed physical interface according to the member port adding message, establishes a corresponding relation between the interface identifier of the virtual interface and the interface identifier of the first physical interface, and adds the interface identifier of the virtual interface to the member port set of the link aggregation port created by the other aggregation equipment.
In a third aspect, another embodiment of the present application further provides a computing device comprising at least one processor; and;
a memory communicatively coupled to the at least one processor; the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to execute a cross-device link aggregation method provided by the embodiment of the application.
In a fourth aspect, another embodiment of the present application further provides a computer storage medium, where the computer storage medium stores computer-executable instructions for causing a computer to perform a cross-device link aggregation method in an embodiment of the present application.
According to the method, the device, the computing device and the storage medium for cross-device link aggregation, aggregation devices are connected through an internal communication interface, cross-device link aggregation is achieved according to the corresponding relation between the interface identification of the physical interface and the interface identification of the virtual interface, and the implementation is simpler. Meanwhile, because the convergence devices are mutually independent software systems, the coupling is smaller.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic diagram of a link aggregation function in the background art;
FIG. 2 is a diagram of a background art minimal authentication hot standby (HA) scenario;
FIG. 3 is a schematic diagram of an apparatus for cross-device link aggregation in an embodiment of the present application;
fig. 4 is a schematic flowchart of a cross-device link aggregation method in an embodiment of the present application;
fig. 5 is a schematic diagram of a processed user message in the embodiment of the present application;
FIG. 6 is a schematic diagram of processing layers of cross-device link aggregation in an embodiment of the present application;
FIG. 7 is a schematic structural diagram of cross-device link aggregation in an embodiment of the present application;
fig. 8 is a schematic structural diagram of a computing device according to an embodiment of the present application.
Detailed Description
In order to solve the above problem, an embodiment of the present application provides a cross-device link aggregation method. In order to better understand the technical solution provided by the embodiments of the present application, the following brief description is made on the basic principle of the solution:
as shown in fig. 3, the convergence devices are connected via an internal communication interface. And the first aggregation device and the second aggregation device respectively create link aggregation ports with the same name, in the member port set of the link aggregation port, the interface identifier of the physical interface on the second aggregation device is b, and the interface identifier of the virtual interface corresponding to the physical interface on the second aggregation device on the first aggregation device is b'. The interface identifier of the physical interface on the first aggregation device is a, and the interface identifier of the virtual interface corresponding to the physical interface on the first aggregation device on the second aggregation device is a'.
1. Control message transmission and reception
When the aggregation device receives configuration information which is set by a user and related to the link aggregation port, the aggregation device configures according to the received configuration information and simultaneously sends a control message corresponding to the received configuration information to the aggregation device II through the internal communication interface.
And when the second convergence device receives the control message sent by the first convergence device, the second convergence device automatically configures according to the received control message.
2. For transmitting and receiving user messages
When the sink device i receives a user packet sent by the link aggregation port 200, where the user packet needs to be processed by the sink device i and needs to be sent to the link aggregation port 100 through a physical port on the sink device i, the sink device configures a cross-device link aggregation header in front of the user packet, where the cross-device link aggregation header includes packet ingress interface information, packet egress interface information, and a correspondence between a physical interface and a virtual interface identifier. Configuring the message input interface information as a link aggregation interface 200, configuring the message output interface information as b ', configuring the corresponding relation between the physical interface and the virtual interface identifier as b corresponding to b', and sending the processed user message to the second aggregation device through the internal communication interface.
And after receiving the processed user message, the convergence device II analyzes the processed user message to obtain cross-device link aggregation head information, and obtains the message according to the message output interface information and the corresponding relation between the physical interface and the virtual interface identifier, and the message is sent out by the physical interface b. And removing the cross-device link aggregation header, processing the user message, and sending a processing result to the link aggregation port 100 through the physical interface b.
It should be noted that, the aggregation devices performing cross-device link aggregation in the present application are not limited to two aggregation devices, and may be multiple aggregation devices.
The cross-device link aggregation method is further described below by a specific embodiment from one of the aggregation device sides. Fig. 4 is a flowchart illustrating a cross-device link aggregation method, including the following steps:
step 401: and receiving link aggregation port creation configuration information, wherein the creation configuration information comprises a unique identifier of a link aggregation port to be created.
Step 402: and creating a link aggregation port according to the creating configuration information, and marking the created link aggregation port by using the unique identification.
Step 403: and generating a creating message carrying the unique identifier and sending the creating message to other aggregation equipment to be aggregated through an internal communication interface, so that the other aggregation equipment creates a link aggregation port according to the creating message and marks the created link aggregation port with the unique identifier.
Step 404: receiving member joining configuration information for joining a first specified physical interface to the created link aggregation port; the member joining configuration information comprises an interface identifier of the first appointed physical interface.
Step 405: and adding the interface identifier of the first appointed physical interface into the created member port set of the link aggregation port according to the member joining configuration information.
Step 406: and generating a member port join message carrying the interface identifier and sending the member port join message to the other aggregation equipment through the internal communication interface, so that the other aggregation equipment creates a virtual interface corresponding to the first specified physical interface according to the member port join message, establishes a corresponding relationship between the interface identifier of the virtual interface and the interface identifier of the first physical interface, and adds the interface identifier of the virtual interface to the member port set of the link aggregation port created by the other aggregation equipment.
In the embodiment of the application, all the convergence devices are connected together through the connection of the internal communication interfaces, and according to the corresponding relation between the interface identifier of the physical interface and the interface identifier of the virtual interface, cross-device link aggregation can be realized only by revising the interface management module without revising modules such as board card management and chip driving, and the realization is simpler. Meanwhile, because the convergence devices are mutually independent software systems, the coupling is smaller.
In an embodiment, the creating message of the link aggregation port and the adding message of the member port of the physical interface added to the link aggregation port may be implemented as follows:
(1) and creating a message: the link aggregation port contains a unique identifier of the link aggregation port, such as the link aggregation port 100, the unique identifier of the link aggregation port is 100, and the link aggregation port can ensure uniqueness through the unique identifier.
The message has the specific functions as follows: when a link aggregation port 100 without a physical interface is configured and created on a convergence device, the convergence device sends a link aggregation port creation message to other convergence devices through an internal communication interface.
When other aggregation devices receive the creation message, a link aggregation port 100 without a physical interface is automatically created according to the creation message, that is, each aggregation device creates a link aggregation port with the same identifier.
(2) Adding a message into a member port: the method comprises the interface identification of the physical interface and the unique identification of the link aggregation port to which the physical interface belongs. If the interface identifier of the physical interface is a and the unique identifier of the link aggregation port to which the physical interface belongs is 100, the content contained in the message is a, 100.
The message has the specific functions as follows: when the physical interface a of the aggregation device joins the link aggregation port 100, the aggregation device sends a member port join message, in which the physical interface joins the link aggregation port, to other aggregation devices through the internal communication interface.
When other aggregation devices receive the member port join message, a virtual interface a ' is automatically created according to the member port join message, wherein the virtual interface a ' is used as the mapping of the physical interface a on the device, and the virtual interface a ' is also added to the link aggregation port 100.
It should be noted that the virtual interface a' is invisible, and the virtual interface is used to search for a physical interface corresponding to the virtual interface on another aggregation device.
The creation of the link aggregation port and the addition of the physical interface into the link aggregation port are described above, and the deletion of the link aggregation port, the exit of the physical interface from the link aggregation port, and the change of the physical interface parameter are further described below.
1. Physical interface exit link aggregation interface
In this embodiment of the present application, if the physical interface of the aggregation device wants to exit the member port set of the link aggregation port, the method may specifically be implemented as steps a 1-A3:
step A1: receiving member quitting configuration information requesting a second designated physical interface to quit the link aggregation interface; the member exit configuration information comprises an interface identifier of the second designated physical interface.
Step A2: and deleting the interface identifier of the second designated physical interface from the member port set of the link aggregation port according to the member exit configuration information.
Step A3: and generating a member port exit message carrying the interface identifier of the second designated physical interface and sending the member port exit message to the other convergence equipment through the internal communication interface, so that the other convergence equipment deletes the interface identifier of the virtual interface corresponding to the interface identifier of the second designated physical interface from the member port set of the corresponding link aggregation port according to the member port exit message.
Therefore, through the internal communication equipment, the physical interface of one convergence equipment exits from the member port set of the link aggregation port, and the virtual interfaces corresponding to the physical interfaces of other convergence equipment and the physical interface of the convergence equipment also exit from the member port set and are deleted, so that the operation of a user is reduced, the realization is simpler, and the user experience is also improved.
In an embodiment, the exit message of the member port of the physical interface exiting the link aggregation port may be specifically implemented as:
exit message of member port: the method comprises the interface identification of the physical interface and the unique identification of the link aggregation port to which the physical interface belongs. If the interface identifier of the physical interface is a and the unique identifier of the link aggregation port to which the physical interface belongs is 100, the content contained in the message is a, 100.
The message has the specific functions as follows: when the physical interface a on the aggregation device exits the link aggregation port 100, the aggregation device sends a member port exit message to other aggregation devices through the internal communication interface.
When other aggregation devices receive the member port exit message, the virtual interface a' corresponding to the physical interface a of the aggregation device can be automatically found according to the member port exit message. The virtual interface a 'is dropped from the link aggregation port 100 and the virtual interface a' is deleted.
2. Deleting a link aggregation port
In this embodiment of the present application, if the aggregation device wants to delete the link aggregation port, the method may specifically be implemented as steps B1-B3:
step B1: receiving deletion configuration information of a link aggregation port to be deleted, wherein the deletion configuration information comprises a unique identifier of the link aggregation port to be deleted.
Step B2: and deleting the link aggregation port corresponding to the unique identifier according to the deletion configuration information.
Step B3: and generating a deletion message carrying the unique identifier of the link aggregation port to be deleted and sending the deletion message to other convergence equipment through the internal communication interface, so that the other convergence equipment deletes the link aggregation port corresponding to the unique identifier according to the deletion message.
Therefore, the link aggregation port of one aggregation device is deleted through the internal communication device, and the link aggregation ports uniquely identified with the link aggregation ports of the aggregation devices are also deleted by other aggregation devices, so that the states of the link aggregation ports in the aggregation devices are synchronous. Meanwhile, the operation of the user is reduced, and the user experience is improved.
In one embodiment, the deleting the link aggregation port may be implemented as:
deleting the message: the unique identifier of the link aggregation port, such as the link aggregation port 100, is 100.
The message has the specific functions as follows: when a link aggregation port 100 not including a physical interface is configured and deleted on a convergence device, the convergence device sends a deletion message to other convergence devices through the internal communication interface.
When other aggregation devices receive the deletion message, a link aggregation port 100 not including a physical interface is automatically deleted according to the deletion message.
3. Physical interface parameter variation
In the embodiment of the present application, if the parameters of the physical interface change, the steps may be specifically implemented as steps C1-C3:
step C1: receiving parameter configuration information of a third designated physical interface; the parameter configuration information includes an interface identifier of the third designated physical interface and a parameter to be configured.
Step C2: and configuring the parameters of the third appointed physical interface according to the parameters to be configured in the parameter configuration information.
Step C3: and generating an interface identifier carrying the third designated physical interface and a parameter message of the parameter to be configured, and sending the parameter message to other convergence equipment through the internal communication interface, so that the other convergence equipment configures the parameter of the virtual interface corresponding to the interface identifier of the third designated physical interface according to the parameter message.
Therefore, through the internal communication equipment, when the parameter of the physical interface of one convergence equipment changes, the parameters of the virtual interfaces corresponding to the physical interfaces of other convergence equipment and the physical interface of the convergence equipment change in the same way, so that the states of the physical interfaces and the virtual interfaces in each convergence equipment are synchronous. Meanwhile, the operation of the user is reduced, and the user experience is improved.
In one embodiment, the physical interface parameter variation may be implemented as (1) - (3):
(1) parameter data change message: the parameter change message containing the physical interface, such as bandwidth, rate, etc. changes.
The message has the specific functions as follows: when the parameter data of the physical interface a on the convergence device changes, the convergence device sends a parameter data change message to other convergence devices through the internal communication interface.
When other convergence devices receive the parameter data change message, the virtual interface a' corresponding to the physical interface a of the convergence device is automatically found according to the parameter data change message. The parameters of the virtual interface a' and the parameters of the physical interface a on the convergence device are modified in the same way.
(2) Physical interface UP (opening) message: if the interface identifier of the physical interface is a and the unique identifier of the link aggregation port to which the physical interface belongs is 100, the content included in the message is a, 100.
The message has the specific functions as follows: when a physical interface a on the aggregation device is opened on the link aggregation port 100, the aggregation device will send a physical interface UP (open) message to other aggregation devices through the internal communication interface.
When other aggregation devices receive the physical interface UP (opening) message, the virtual interface a' corresponding to the physical interface a of the aggregation device can be automatically found according to the physical interface UP (opening) message. The virtual interface a' is also turned on the link aggregation port 100.
(3) Physical interface Down message: if the interface identifier of the physical interface is a and the unique identifier of the link aggregation port to which the physical interface belongs is 100, the content included in the message is a, 100.
The message has the specific functions as follows: when the physical interface a on the aggregation device is closed on the link aggregation port 100, the aggregation device sends a physical interface Down message to other aggregation devices through the internal communication interface.
When other convergence devices receive the physical interface Down message, the virtual interface a' corresponding to the physical interface a of the convergence device is automatically found according to the physical interface Down message. The virtual interface a' is also turned off on the link aggregation port 100.
The parameter data change message, the physical interface UP message, and the physical interface Down message all belong to the parameter message.
In the prior art, when the convergence device receives a control message, the control message needs to be immediately processed, and thus, more system CPU resources are occupied. In this embodiment of the present application, after receiving a control message sent by another aggregation device, the aggregation device needs to process the control message through a message queue, which may specifically be implemented as the following steps D1-D4:
step D1: receiving a control message through an internal communication interface, wherein the control message is at least one of the following messages: creating a message, adding a member port into the message, exiting the message from the member port, deleting the message and the parameter message.
Step D2: and storing the received control message in a message queue.
Step D3: and performing polling processing on the message queue.
In specific implementation, the message queue can be polled through one process task.
Step D4: and after the control message is polled, executing the operation corresponding to the control message according to the polled control message.
Each aggregation device has a message queue for storing control messages. Thus, in the embodiment of the present application, the control message is not processed after it comes, but is stored in the message queue and processed in a polling manner. For example, control messages are received at the interval of two polls and are not immediately processed but stored first. This may allow the processing resource to process other traffic between two polls. Further, after the message is polled, the control message is processed when the current processing resource is sufficient (for example, the CPU occupancy is less than a specified value). Therefore, occupation of system CPU resources can be reduced.
The above describes a process in which the convergence device receives a control packet sent by another device through the internal communication interface, and the following describes packet processing under other conditions, so as to further understand the technical solution provided by the embodiment of the present application, including the following two aspects:
firstly, the convergence equipment receives user messages sent by other convergence equipment through an internal communication interface
In this embodiment of the present application, the sink device receives user messages sent by other sink devices, which may specifically be implemented as: and receiving user messages sent by other convergence equipment through the internal communication interface and the corresponding relation between the interface identifier of the physical interface and the interface identifier of the virtual interface.
Therefore, the message receiving among the devices can be easily realized through the corresponding relation among the internal communication interface, the interface identification of the physical interface and the interface identification of the virtual interface, and the realization is simpler.
In order to further embody that the aggregation device sends the user message sent by another aggregation device, the method may specifically be implemented as steps E1-E5:
step E1: receiving the processed user message sent by the other convergence equipment through an internal communication interface; the processed user message comprises an original user message and a cross-device link aggregation header.
Step E2: and analyzing the original user message and the cross-equipment link aggregation header from the processed user message.
Step E3: and obtaining the interface identifier of the virtual interface in the message output interface information from the analyzed cross-equipment link aggregation header.
Step E4: and determining the physical interface corresponding to the virtual interface identifier in the cross-device link aggregation header according to the corresponding relation between the interface identifier of the physical interface and the interface identifier of the virtual interface.
Step E5: and removing the cross-equipment link aggregation head, processing the analyzed original user message, and sending out a processing result through the determined physical interface.
In specific implementation, the processed user message is shown in fig. 5. The processed user message comprises a cross-device link aggregation header and an original user message, and the position of the cross-device link aggregation header is before the original user message. And the cross-device link aggregation header comprises message ingress interface information and message egress interface information. Specific information about the message ingress interface information and the message egress interface information is described in detail below, and is not described herein again.
Therefore, before the convergence device sends the original user message out from the physical interface, the cross-device link aggregation head is removed, the message forwarding flow is not interrupted, and the influence on the system forwarding performance is reduced. Meanwhile, according to the corresponding relation between the interface identifier of the physical interface and the interface identifier of the virtual interface, the physical interface for sending the user message can be found, so that the message is received between the cross-equipment, and the realization is simpler.
Secondly, the convergence equipment sends the user message to other convergence equipment through the internal communication interface
In this embodiment of the present application, the aggregation device sends the user packet to other aggregation devices, which may specifically be implemented as: and sending the user message to other convergence equipment through the internal communication interface and the corresponding relation between the interface identifier of the physical interface and the interface identifier of the virtual interface.
Therefore, the message can be easily sent between the devices by the corresponding relation among the internal communication interface, the interface identifier of the physical interface and the interface identifier of the virtual interface, and the realization is simpler.
In the prior art, when a plurality of devices performing link aggregation all work normally, the master-slave relationship of each port is predefined in the plurality of devices. When there is a user message, the main port is preferentially processed and forwarded, which results in higher utilization rate of the main port and waste of bandwidth resources of the backup port (i.e. the slave port). In view of this, in order to improve the utilization efficiency of the bandwidth resources of the link aggregation port before sending a message across devices, in this embodiment of the present application, when a sink device receives an original user message sent from the link aggregation port, it is determined on which sink device the original user message needs to be processed, and according to a determination result, a corresponding operation is performed, which may be specifically implemented as steps F1-F2:
step F1: and receiving the original user message from the link aggregation port.
Step F2: and determining a physical interface for sending the original user message according to a flow load balancing rule.
In specific implementation, the traffic load balancing rule may be determined according to actual requirements, or even according to the prior art, and only the traffic load on each aggregation device may be balanced. For example, according to the traffic loads of all the current aggregation devices, the aggregation device with the smallest traffic load is selected. Therefore, according to the traffic load of all the convergence devices distributed to the user message of the convergence device, the traffic load sharing among the devices can be realized, and the master-slave relationship is eliminated, so that the effective utilization of the interface bandwidth among the devices can be realized, and the performance of cross-device link aggregation is improved.
In this embodiment of the present application, if it is determined according to the traffic load balancing rule that the physical interface for sending the original user packet is a physical interface on another aggregation device, the method may specifically be implemented as steps G1-G4:
step G1: and if the physical interface for sending the original user message is on other convergence equipment, determining the virtual interface identifier corresponding to the physical interface according to the corresponding relation.
Step G2: in the cross-device link aggregation header, configuring message output interface information as a virtual interface identifier corresponding to the physical interface of the other aggregation device, and configuring message input interface information as a link aggregation interface identifier for receiving the original user message.
Step G3: and encapsulating the configured cross-equipment link aggregation head before the original user message to obtain the processed user message.
Step G4: and sending the information to the other convergence equipment through the internal communication interface.
In this embodiment of the present application, as described above, the information carried in the cross-device link aggregation header may include message ingress interface information, message egress interface information, and the like, where:
message incoming interface information: for example, if the incoming interface of the message is the link aggregation interface 100, the message incoming interface information is recorded as 100.
Message outgoing interface information: for example, if the outgoing interface of the message is the physical interface a in the link aggregation interface 200, the message outgoing interface information is recorded as the identifier a' of the virtual interface corresponding to the target physical interface and the aggregation device where the message outgoing interface information is located.
In specific implementation, the message input interface information and the message output interface information are filled on the aggregation device where the message is located, and after being packaged into a cross-device link aggregation header, the cross-device link aggregation header and the original user message are combined into a processed user message. And sending the processed user message to convergence equipment needing to process and send the user message through an internal communication interface. Therefore, when the message is sent to other aggregation equipment, the cross-equipment link aggregation head is added, so that the message can be accurately sent to the aggregation equipment which wants to process the message, and the message processing speed is improved.
In this embodiment of the present application, if it is determined according to the traffic load balancing rule that the physical interface for sending the original user packet is a physical interface on the aggregation device, the specific implementation is as follows: and if the physical interface for sending the original user message is on the convergence device, processing the original user message and then sending the original user message from the physical interface.
Therefore, the original user message is directly sent out through the physical interface on the convergence device, and the message processing speed can be improved.
Further, in the prior art, if there is no cross-device link aggregation, each physical interface in a single device needs to be configured with an IP address, and message processing is performed on an IP layer, which results in complex management of information such as a routing table and is also not beneficial to network expansion. In the embodiment of the present application, as shown in fig. 6, in order to make the upper layer service unaware, the related processing of the cross-device link aggregation (such as the aforementioned processing of receiving and sending user packets and the processing of controlling packets) is placed at the link layer, so that the services above the IP layer do not need to be aware and do not need to be modified, and thus, the physical interfaces of multiple devices are presented as one interface to the outside, so that the network and address planning is simpler.
Based on the same inventive concept, the embodiment of the present application further provides an apparatus for cross-device link aggregation. As shown in fig. 7, the apparatus includes:
a receive creation information module 701, configured to receive link aggregation port creation configuration information, where the creation configuration information includes a unique identifier of a link aggregation port to be created;
a creating module 702, configured to create a link aggregation port according to the creation configuration information, and mark the created link aggregation port with the unique identifier;
a message creating and sending module 703, configured to generate a creating message carrying the unique identifier and send the creating message to other aggregation devices to be aggregated through an internal communication interface, so that the other aggregation devices create a link aggregation port according to the creating message and mark the created link aggregation port with the unique identifier;
a join information receiving module 704, configured to receive member join configuration information that joins the first specified physical interface to the created link aggregation port; the member joining configuration information comprises an interface identifier of the first appointed physical interface;
a join member port module 705, configured to add the interface identifier of the first specified physical interface to the created member port set of the link aggregation port according to the member join configuration information;
a join message sending module 706, configured to generate a member port join message carrying the interface identifier and send the member port join message to the other aggregation devices through the internal communication interface, so that the other aggregation devices create a virtual interface corresponding to the first specified physical interface according to the member port join message, establish a correspondence between the interface identifier of the virtual interface and the interface identifier of the first physical interface, and add the interface identifier of the virtual interface to the member port set of the link aggregation port created by the other aggregation devices.
Further, the apparatus further comprises:
a quitting information receiving module, configured to receive member quitting configuration information requesting that a second designated physical interface quit the link aggregation interface; the member quitting configuration information comprises an interface identifier of a second designated physical interface;
a member exit port set exiting module, configured to delete the interface identifier of the second specified physical interface from the member port set of the link aggregation port according to the member exit configuration information;
and the exit message sending module is configured to generate a member port exit message carrying the interface identifier of the second specified physical interface and send the member port exit message to the other aggregation devices through the internal communication interface, so that the other aggregation devices delete the interface identifier of the virtual interface corresponding to the interface identifier of the second specified physical interface from the member port set of the corresponding link aggregation port according to the member port exit message.
Further, the apparatus further comprises:
the system comprises a receiving and deleting information module, a judging module and a deleting module, wherein the receiving and deleting information module is used for receiving deleting configuration information of a link aggregation port to be deleted, and the deleting configuration information comprises a unique identifier of the link aggregation port to be deleted;
the deleting module is used for deleting the link aggregation port corresponding to the unique identifier according to the deleting configuration information;
and the message sending and deleting module is used for generating a deleting message carrying the unique identifier of the link aggregation port to be deleted and sending the deleting message to other convergence equipment through the internal communication interface so that the other convergence equipment deletes the link aggregation port corresponding to the unique identifier according to the deleting message.
Further, the apparatus further comprises:
the parameter information receiving module is used for receiving the parameter configuration information of the third appointed physical interface; the parameter configuration information comprises an interface identifier of a third appointed physical interface and a parameter to be configured;
a configuration parameter module, configured to configure the parameter of the third designated physical interface according to the parameter to be configured in the parameter configuration information;
and the parameter message sending module is used for generating an interface identifier carrying the third designated physical interface and a parameter message carrying the parameter to be configured and sending the parameter message to other convergence equipment through the internal communication interface, so that the other convergence equipment configures the parameter of the virtual interface corresponding to the interface identifier of the third designated physical interface according to the parameter message.
Further, the apparatus further comprises:
a control message receiving module, configured to receive a control message through an internal communication interface, where the control message is at least one of the following: creating a message, adding the message into a member port, exiting the message from the member port, deleting the message and a parameter message;
the storage module is used for storing the received control message in a message queue;
the processing module is used for performing polling processing on the message queue;
and the execution module is used for executing the operation corresponding to the control message according to the polled control message after the control message is polled.
Further, the apparatus further comprises:
and the user message receiving module is used for receiving the user messages sent by other convergence equipment through the internal communication interface and the corresponding relation between the interface identifier of the physical interface and the interface identifier of the virtual interface.
Further, the module for receiving the user message includes:
a receiving unit, configured to receive, through an internal communication interface, the processed user packet sent by the other aggregation devices; the processed user message comprises an original user message and a cross-device link aggregation header;
the analysis unit is used for analyzing an original user message and a cross-equipment link aggregation head from the processed user message;
the acquiring identification unit is used for acquiring the interface identification of the virtual interface in the message output interface information from the analyzed cross-device link aggregation head;
the physical interface determining unit is used for determining a physical interface corresponding to the virtual interface identifier in the cross-device link aggregation header according to the corresponding relationship between the interface identifier of the physical interface and the interface identifier of the virtual interface;
and the first sending unit is used for removing the cross-device link aggregation head, processing the analyzed original user message and sending out a processing result through the determined physical interface.
Further, the apparatus further comprises:
and the user message sending module is used for sending the user message to other convergence equipment through the internal communication interface and the corresponding relation between the interface identifier of the physical interface and the interface identifier of the virtual interface.
Further, the apparatus further comprises:
a receiving original user message module, configured to receive an original user message from the link aggregation port before the sending user message module sends the user message to other aggregation devices through the internal communication interface and the correspondence between the interface identifier of the physical interface and the interface identifier of the virtual interface;
and the physical interface determining module is used for determining a physical interface for sending the original user message according to a flow load balancing rule.
Further, the user message sending module includes:
a determining identification unit, configured to determine, if a physical interface that sends the original user packet is on another aggregation device, a virtual interface identification corresponding to the physical interface according to the correspondence;
a configuration unit, configured to configure, in the inter-device link aggregation header, the message outgoing interface information as a virtual interface identifier corresponding to the physical interface of the other aggregation device, and the message incoming interface information as a link aggregation interface identifier for receiving the original user message;
a message obtaining unit, configured to encapsulate the configured cross-device link aggregation header before the original user message, so as to obtain a processed user message;
and the second sending unit is used for sending the information to the other convergence equipment through the internal communication interface.
Further, the device also comprises:
and the sending module is used for determining that the physical interface module determines the physical interface for sending the original user message according to the flow load balancing rule, and sending the original user message out from the physical interface after processing the original user message if the physical interface for sending the original user message is on the convergence device.
Having described the cross-device link aggregation method and apparatus of exemplary embodiments of the present application, a computing apparatus according to another exemplary embodiment of the present application is next described.
As will be appreciated by one skilled in the art, aspects of the present application may be embodied as a system, method or program product. Accordingly, various aspects of the present application may be embodied in the form of: an entirely hardware embodiment, an entirely software embodiment (including firmware, microcode, etc.) or an embodiment combining hardware and software aspects that may all generally be referred to herein as a "circuit," module "or" system.
In some possible implementations, a computing device may include at least one processor, and at least one memory, according to embodiments of the application. Wherein the memory stores program code which, when executed by the processor, causes the processor to perform steps 401 and 406 of the cross-device link aggregation method according to various exemplary embodiments of the present application described above in the present specification.
The computing device 80 according to this embodiment of the present application is described below with reference to fig. 8. The computing device 80 shown in fig. 8 is only an example and should not bring any limitations to the functionality or scope of use of the embodiments of the present application. The computing device may be, for example, a cell phone, a tablet computer, or the like.
As shown in fig. 8, computing device 80 is embodied in the form of a general purpose computing device. Components of computing device 80 may include, but are not limited to: the at least one processor 81, the at least one memory 82, and a bus 83 connecting the various system components including the memory 82 and the processor 81.
The memory 82 may include readable media in the form of volatile memory, such as Random Access Memory (RAM)821 and/or cache memory 822, and may further include Read Only Memory (ROM) 823.
In some possible embodiments, the various aspects of the cross-device link aggregation method provided in this application may also be implemented in the form of a program product, which includes program code for causing a computer device to perform the steps in the cross-device link aggregation method according to various exemplary embodiments of this application described above in this specification when the program product is run on the computer device, and perform the steps 401 and 404 as shown in fig. 4.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The cross-device link aggregation of embodiments of the present application may employ a portable compact disk read-only memory (CD-ROM) and include program code, and may be run on a computing device. However, the program product of the present application is not limited thereto, and in this document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A readable signal medium may include a propagated data signal with readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations of the present application may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user computing device, partly on the user equipment, as a stand-alone software package, partly on the user computing device and partly on a remote computing device, or entirely on the remote computing device or server. In the case of remote computing devices, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., through the internet using an internet service provider).
It should be noted that although several units or sub-units of the apparatus are mentioned in the above detailed description, such division is merely exemplary and not mandatory. Indeed, the features and functions of two or more units described above may be embodied in one unit, according to embodiments of the application. Conversely, the features and functions of one unit described above may be further divided into embodiments by a plurality of units.
Moreover, although the operations of the methods of the present application are depicted in the drawings in a sequential order, this does not require or imply that these operations must be performed in this order, or that all of the illustrated operations must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a manner that causes the instructions stored in the computer-readable memory to produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (14)
1. A method of cross device link aggregation, the method comprising:
receiving link aggregation port creation configuration information, wherein the creation configuration information comprises a unique identifier of a link aggregation port to be created;
according to the establishment configuration information, establishing a link aggregation port which does not contain a physical interface, and marking the established link aggregation port by using the unique identification;
generating a creating message carrying the unique identifier and sending the creating message to other aggregation equipment to be aggregated through an internal communication interface, so that the other aggregation equipment creates a link aggregation port according to the creating message and marks the created link aggregation port with the unique identifier;
receiving member joining configuration information for joining a first specified physical interface to the created link aggregation port; the member joining configuration information comprises an interface identifier of the first appointed physical interface;
adding the interface identifier of the first appointed physical interface into the created member port set of the link aggregation port according to the member joining configuration information;
and generating a member port join message carrying the interface identifier and sending the member port join message to the other aggregation equipment through the internal communication interface, so that the other aggregation equipment creates a virtual interface corresponding to the first appointed physical interface according to the member port join message, establishes a corresponding relation between the interface identifier of the virtual interface and the interface identifier of the first appointed physical interface, and adds the interface identifier of the virtual interface to the member port set of the link aggregation port created by the other aggregation equipment.
2. The method of claim 1, wherein the method further comprises:
receiving member quitting configuration information requesting a second designated physical interface to quit the link aggregation interface; the member quitting configuration information comprises an interface identifier of a second designated physical interface;
deleting the interface identifier of the second designated physical interface from the member port set of the link aggregation port according to the member quitting configuration information;
and generating a member port exit message carrying the interface identifier of the second designated physical interface and sending the member port exit message to the other convergence equipment through the internal communication interface, so that the other convergence equipment deletes the interface identifier of the virtual interface corresponding to the interface identifier of the second designated physical interface from the member port set of the corresponding link aggregation port according to the member port exit message.
3. The method of claim 1, wherein the method further comprises:
receiving deletion configuration information of a link aggregation port to be deleted, wherein the deletion configuration information comprises a unique identifier of the link aggregation port to be deleted;
deleting the link aggregation port corresponding to the unique identifier according to the deletion configuration information;
and generating a deletion message carrying the unique identifier of the link aggregation port to be deleted and sending the deletion message to other convergence equipment through the internal communication interface, so that the other convergence equipment deletes the link aggregation port corresponding to the unique identifier according to the deletion message.
4. The method of claim 1, wherein the method further comprises:
receiving parameter configuration information of a third designated physical interface; the parameter configuration information comprises an interface identifier of a third appointed physical interface and a parameter to be configured;
configuring the parameters of the third appointed physical interface according to the parameters to be configured in the parameter configuration information;
and generating an interface identifier carrying the third designated physical interface and a parameter message of the parameter to be configured, and sending the parameter message to other convergence equipment through the internal communication interface, so that the other convergence equipment configures the parameter of the virtual interface corresponding to the interface identifier of the third designated physical interface according to the parameter message.
5. The method of any of claims 1-4, wherein the method further comprises:
receiving a control message through an internal communication interface, wherein the control message is at least one of the following messages: creating a message, adding the message into a member port, exiting the message from the member port, deleting the message and a parameter message;
storing the received control message in a message queue;
performing polling processing on the message queue;
and after the control message is polled, executing the operation corresponding to the control message according to the polled control message.
6. The method of any of claims 1-4, wherein the method further comprises:
and receiving user messages sent by other convergence equipment through the internal communication interface and the corresponding relation between the interface identifier of the physical interface and the interface identifier of the virtual interface.
7. The method according to claim 6, wherein receiving the user packet sent by the other aggregation devices through the internal communication interface and the correspondence between the interface identifier of the physical interface and the interface identifier of the virtual interface specifically includes:
receiving the processed user message sent by the other convergence equipment through an internal communication interface; the processed user message comprises an original user message and a cross-device link aggregation header;
analyzing an original user message and a cross-equipment link aggregation head from the processed user message;
obtaining an interface identifier of a virtual interface in the message output interface information from the analyzed cross-device link aggregation header;
determining a physical interface corresponding to the virtual interface identifier in the cross-device link aggregation header according to the corresponding relation between the interface identifier of the physical interface and the interface identifier of the virtual interface;
and removing the cross-equipment link aggregation head, processing the analyzed original user message, and sending out a processing result through the determined physical interface.
8. The method of any of claims 1-4, wherein the method further comprises:
and sending the user message to other convergence equipment through the internal communication interface and the corresponding relation between the interface identifier of the physical interface and the interface identifier of the virtual interface.
9. The method according to claim 8, wherein before sending the user message to the other aggregation devices through the internal communication interface and the corresponding relationship between the interface identifier of the physical interface and the interface identifier of the virtual interface, the method further comprises:
receiving an original user message from a link aggregation port;
and determining a physical interface for sending the original user message according to a flow load balancing rule.
10. The method according to claim 9, wherein the sending the user packet to the other aggregation devices via the internal communication interface and the correspondence between the interface identifier of the physical interface and the interface identifier of the virtual interface specifically includes:
if the physical interface sending the original user message is on other convergence equipment, determining a virtual interface identifier corresponding to the physical interface according to the corresponding relation;
configuring message output interface information as a virtual interface identifier corresponding to the physical interface of the other aggregation equipment in a cross-equipment link aggregation header, wherein the message input interface information is a link aggregation interface identifier for receiving the original user message;
encapsulating the configured cross-device link aggregation head before the original user message to obtain a processed user message;
and sending the information to the other convergence equipment through the internal communication interface.
11. The method of claim 9, wherein after determining the physical interface for sending the original user packet according to the traffic load balancing rule, the method further comprises:
and if the physical interface for sending the original user message is on the convergence device, processing the original user message and then sending the original user message from the physical interface.
12. An apparatus for cross device link aggregation, the apparatus comprising:
the system comprises a receiving and creating information module, a receiving and creating module and a creating and configuring module, wherein the receiving and creating information module is used for receiving link aggregation port creating configuration information, and the creating configuration information comprises a unique identifier of a link aggregation port to be created;
the creating module is used for creating a link aggregation port which does not contain a physical interface according to the creating configuration information and marking the created link aggregation port by the unique identification;
a message creating module for generating a created message carrying the unique identifier and sending the created message to other aggregation devices to be aggregated through an internal communication interface, so that the other aggregation devices create a link aggregation port according to the created message and mark the created link aggregation port with the unique identifier;
the join information receiving module is used for receiving member join configuration information for joining a first specified physical interface to the created link aggregation port; the member joining configuration information comprises an interface identifier of the first appointed physical interface;
a join member port set module, configured to add the interface identifier of the first specified physical interface to the created member port set of the link aggregation port according to the member join configuration information;
and the message adding sending module is used for generating a member port adding message carrying the interface identifier and sending the member port adding message to the other aggregation equipment through the internal communication interface, so that the other aggregation equipment creates a virtual interface corresponding to the first appointed physical interface according to the member port adding message, establishes a corresponding relation between the interface identifier of the virtual interface and the interface identifier of the first appointed physical interface, and adds the interface identifier of the virtual interface to the member port set of the link aggregation port created by the other aggregation equipment.
13. A computer terminal readable medium storing computer terminal executable instructions for performing the method of any one of claims 1 to 11.
14. A computing device, comprising:
at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-11.
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| CN111865626B (en) * | 2019-04-24 | 2023-05-23 | 厦门网宿有限公司 | Data receiving and transmitting method and device based on aggregation port |
| CN110730126B (en) * | 2019-10-22 | 2022-07-22 | 迈普通信技术股份有限公司 | Link aggregation system, data frame sending or receiving method and device |
| CN111030859B (en) * | 2019-12-10 | 2022-07-26 | 苏州浪潮智能科技有限公司 | Configuration method and device for port convergence |
| CN113553276B (en) * | 2020-04-26 | 2023-08-15 | 中移(成都)信息通信科技有限公司 | Method, device, system and storage medium for determining connection relation |
| CN112187633A (en) * | 2020-09-14 | 2021-01-05 | 锐捷网络股份有限公司 | Link fault convergence method and device, electronic equipment and storage medium |
| CN112100008B (en) * | 2020-11-09 | 2021-06-18 | 杭州沃趣科技股份有限公司 | Cross-node multilink redundancy protection method and system |
| CN114710441B (en) * | 2022-03-25 | 2023-08-18 | 苏州浪潮智能科技有限公司 | Link aggregation method, system, computer equipment and storage medium |
| CN115484233B (en) * | 2022-09-23 | 2024-04-12 | 北京物芯科技有限责任公司 | Method, device, equipment and medium for forwarding link aggregation message in digital communication chip |
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